Home / 14,100,406.20-21,156,138.90-5,125,865.40

Finding the Fourth Proportional to 14,100,406.20, 21,156,138.90 and 5,125,865.40

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Solution

The fourth proportional to 14,100,406.20, 21,156,138.90 and 5,125,865.40 is: 7,690,808.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,100,406.20 : 21,156,138.90 = 5,125,865.40 : x
  2. Step 2: Convert to fraction form
    14,100,406.20/21,156,138.90 = 5,125,865.40/x
  3. Step 3: Cross multiply
    14,100,406.20x = 21,156,138.90 × 5,125,865.40
  4. Step 4: Simplify right side
    14,100,406.20x = 108,443,520,385,104.06
  5. Step 5: Solve for x
    x = 108,443,520,385,104.06/14,100,406.20
  6. Step 6: Final answer
    x = 7,690,808.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.